Finding the Fourth Proportional to 11,693,313.80, 17,539,970.70 and 5,721,345.80
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Solution
The fourth proportional to 11,693,313.80, 17,539,970.70 and 5,721,345.80 is: 8,582,018.70
Step by Step Solution
- Step 1: Write the proportion equation
11,693,313.80 : 17,539,970.70 = 5,721,345.80 : x - Step 2: Convert to fraction form
11,693,313.80/17,539,970.70 = 5,721,345.80/x - Step 3: Cross multiply
11,693,313.80x = 17,539,970.70 × 5,721,345.80 - Step 4: Simplify right side
11,693,313.80x = 100,352,237,696,568.05 - Step 5: Solve for x
x = 100,352,237,696,568.05/11,693,313.80 - Step 6: Final answer
x = 8,582,018.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.